Rechteck mit Löcher

70.Problem
id = 165
status = timer expired
time = 00:30:00.2
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 21:21:04 up 71 days, 3:31, 2 users, load average: 4.97, 5.12, 5.11